90
rubber, natural rubber (NR)
black
vulcanized onto the cover sheets
temperature 80 °
cover plates, threaded inserts, screws,
steel
zinc plated, blue passivated
Silicone rubber
Elastosil® (MVQ)
FDA compliant
gray
vulcanized onto the cover sheets
temperature resistant up to 200 ° C
cover plates, threaded inserts
stainless steel
1.4301